vitamin b12 injection regimen starting injections What is the recommended dosing for starting B12 (Vitamin B12) intramuscular (IM) injections? Vitamin B12 - PMC

Additionally, peptide vials offer researchers greater flexibility compared to other methods of administration

[DOI] [PubMed] [Google Scholar] 15.Pereira-Silva M., Martins A.M., Sousa-Oliveira I., Ribeiro H.M., Veiga F., Marto J., Paiva-Santos A.C

In the 50s, when chemotherapy wasnt yet available, massive doses of B12 shots were given to children with a neuroblastoma tumor every two days, for 2-3 years with great success: NEUROBLASTOMA: AN EVALUATION OF ITS NATURAL HISTORY AND EFFECTS OF THERAPY, WITH PARTICULAR REFERENCE TO TREATMENT BY MASSIVE DOSES OF VITAMIN B12

For malabsorption (e.g., pernicious anemia), injections are often preferred, though some clinicians still use very high-dose oral regimens (NIH ODS)

This transforms the drip into a specialized, high-nutrient cocktail